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 Midland 203 plus problem

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proteus
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Call Sign : 68-CT-074
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PostSubject: Midland 203 plus problem   midland - Midland 203 plus problem Icon_minitimeSat Jul 10, 2021 8:14 pm

Hi All.

Im new too CT,I would like some help with a problem on my Midland 203 plus.

The problem as follows,volume is very low and i just put up a new sigma venom silver rod.
i can hear faint contacts in background,but low volume even with volume to the top and no sql.

My friend gave me the rig and it worked fime on his antenna which is the same one.

i have pl259 connector on antenna with bnc the pl259 has male converter,can anyone guide me.

Many thanks all.


JP
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Victor
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Victor


Call Sign : 26-CT-3228 Ham M7VIC
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PostSubject: Re: Midland 203 plus problem   midland - Midland 203 plus problem Icon_minitimeSun Jul 11, 2021 6:57 am

Hi John,

The Midland 203+ is a straight forward radio to hook up and use so hopefully this is a simple issue to resolve.

I'm a bit confused to your mention of BNC and 'male converters' presuming that you usually only need a coax cable with PL259 connectors on each end to connect the Midland SO239 antenna connection to the Sigma antenna SO239(?)

Have you measured SWR readings with a suitable meter?

If you don't have a meter set the radio to FM mode, Volume up and Squelch off and see if the radio gets quieter or louder on receive only when the antenna coax is connected to the radio as compared to disconnected. (It should be louder when connected but if it's quieter there may be a connection issue.)

Try the same in AM mode as well just to be sure.

Let's hope it's something that simple and nothing wrong with the radio.

I hope you get sorted. 


All the best,
Victor

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Alan Pilot
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PostSubject: Re: Midland 203 plus problem   midland - Midland 203 plus problem Icon_minitimeSun Jul 11, 2021 3:39 pm

Can you check the coax with a multimeter.
You need both ends and check there is no short between the centre and outer at the plug.
My money is on a short incorrectly fitted pl259,,, but i could be wrong.


Last edited by Alan Pilot on Tue Jul 13, 2021 6:45 am; edited 1 time in total

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proteus
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PostSubject: Re: Midland 203 plus problem   midland - Midland 203 plus problem Icon_minitimeTue Jul 13, 2021 1:01 am

Hi all.

\thanks for all the help.

I found the problem its my fault.i didnt have the mic connected im stupid.

However i now have the problem when i transmit no one seems to pick up contact.

swr ok power ok all indicated.spectrum analyzer shows strong signal,when i push the mic wire and i press transmit i can hear my voice in speaker on the rig when i pull wire back a bit normal but no one seems copy me even if i break in or hail on 19.

Can you help.

Thanks all 68-CT-074


JP
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